* {
    margin: 0;
    padding: 0;
}

.container {
    width: 800px;
    margin: 50px auto;
    display: flex;
}

.container .moveRange {
    position: relative;
}

.container .move {
    width: 150px;
    height: 150px;
    background-color: rgba(177, 108, 233, 0.5);
    position: absolute;
    cursor: pointer;
    /* 让光标事件不起作用，解决光标闪烁问题 */
    pointer-events: none;
    display: none;
}

.topPic {
    width: 350px;
    height: 350px;
    border: 1px solid #000;
}

ol {
    display: flex;
    list-style: none;
}

ol li {
    display: none;
}

ol img {
    width: 100%;
    height: 100%;

}

ul {
    margin-top: 20px;
    display: flex;
    justify-content: space-evenly;
}

ul li {
    width: 50px;
    height: 50px;
    list-style: none;
}

ul li img {
    width: 100%;
    height: 100%;
}

.active {
    display: block;
}

.addBorder {
    border: 2px solid rgb(120, 34, 233);
}

.container .bigBox {
    border: 1px solid #000;
    width: 350px;
    height: 350px;
    margin-left: 80px;
    overflow: hidden;
    position: relative;
}

.container .bigBox img {
    position: absolute;
    top: 0;
    left: 0;
}